Miller Michael Francis — SEC Form 4 filings
SEC reporting owner CIK 2120516. 13 Form 4 filings on record with FilingPulse; latest filed 2026-09-16.
Transaction summary — filings shown
Covers all 13 filings on record, filed 2026-03-17 to 2026-09-16. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 126.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Quanterix Corp (QTRX) | Chief Technology Officer | 13 | — | — | 126 |
Form 4 filings — Miller Michael Francis
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-16 | 4 | Quanterix Corp (QTRX) | Option exercise (M): 81 · Tax withholding (F): 25 @ $2.72 · Option exercise (M): 136 · Tax withholding (F): 41 @ $2.72 · Option exercise (M): 135 · Tax withholding (F): 41 @ $2.72 · +9 more | EDGAR |
| 2026-09-01 | 4 | Quanterix Corp (QTRX) | Option exercise (M): 159 · Tax withholding (F): 48 @ $2.67 · Option exercise (M): 159 (derivative) @ $0 | EDGAR |
| 2026-08-17 | 4 | Quanterix Corp (QTRX) | Option exercise (M): 81 · Tax withholding (F): 25 @ $2.59 · Option exercise (M): 136 · Tax withholding (F): 41 @ $2.59 · Option exercise (M): 135 · Tax withholding (F): 41 @ $2.59 · +9 more | EDGAR |
| 2026-08-04 | 4 | Quanterix Corp (QTRX) | Option exercise (M): 130 · Tax withholding (F): 39 @ $3.48 · Option exercise (M): 130 (derivative) @ $0 | EDGAR |
| 2026-07-16 | 4 | Quanterix Corp (QTRX) | Option exercise (M): 81 · Tax withholding (F): 25 @ $4.24 · Option exercise (M): 136 · Tax withholding (F): 41 @ $4.24 · Option exercise (M): 135 · Tax withholding (F): 41 @ $4.24 · +9 more | EDGAR |
| 2026-07-02 | 4 | Quanterix Corp (QTRX) | Option exercise (M): 130 · Tax withholding (F): 39 @ $4.32 · Option exercise (M): 130 (derivative) @ $0 | EDGAR |
| 2026-06-16 | 4 | Quanterix Corp (QTRX) | Option exercise (M): 81 · Tax withholding (F): 25 @ $3.10 · Option exercise (M): 136 · Tax withholding (F): 41 @ $3.10 · Option exercise (M): 135 · Tax withholding (F): 41 @ $3.10 · +9 more | EDGAR |
| 2026-06-01 | 4 | Quanterix Corp (QTRX) | Option exercise (M): 130 · Tax withholding (F): 39 @ $3.06 · Option exercise (M): 130 (derivative) @ $0 | EDGAR |
| 2026-05-18 | 4 | Quanterix Corp (QTRX) | Option exercise (M): 81 · Tax withholding (F): 25 @ $2.75 · Option exercise (M): 136 · Tax withholding (F): 41 @ $2.75 · Option exercise (M): 135 · Tax withholding (F): 41 @ $2.75 · +9 more | EDGAR |
| 2026-05-01 | 4 | Quanterix Corp (QTRX) | Option exercise (M): 130 · Tax withholding (F): 39 @ $3.13 · Option exercise (M): 130 (derivative) @ $0 | EDGAR |
| 2026-04-17 | 4 | Quanterix Corp (QTRX) | Option exercise (M): 81 · Tax withholding (F): 25 @ $3.60 · Option exercise (M): 136 · Tax withholding (F): 41 @ $3.60 · Option exercise (M): 135 · Tax withholding (F): 41 @ $3.60 · +9 more | EDGAR |
| 2026-04-02 | 4 | Quanterix Corp (QTRX) | Option exercise (M): 99 · Tax withholding (F): 30 @ $3.52 · Option exercise (M): 130 · Tax withholding (F): 39 @ $3.52 · Option exercise (M): 99 (derivative) @ $0 · Option exercise (M): 130 (derivative) @ $0 | EDGAR |
| 2026-03-17 | 4 | Quanterix Corp (QTRX) | Option exercise (M): 81 · Tax withholding (F): 29 @ $4.72 · Option exercise (M): 136 · Tax withholding (F): 48 @ $4.72 · Option exercise (M): 135 · Tax withholding (F): 48 @ $4.72 · +9 more | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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